html, body {
    width: 100%;
    height: 100%;
    min-width: 1440px;
    margin: 0px;
    padding: 0px;
}

.main-container {
    width: 100%;
    height: 100%;
    min-width: 1440px;
    padding: 40px;
}

.input, .output {
    width: 100%;
    height: 500px;
}

.left {
    float: left;
}

.input-box {
    width: calc((100% - 150px) / 2);
    height: 500px;
}

.output-box {
    width: calc((100% - 150px) / 2);
    height: 500px;
}

.mid-box {
    width: 150px;
    height: 500px;
    display: -webkit-box;
    -webkit-box-align: center;
    -webkit-box-pack: center;
}

.btn {
    width: 100px;
    height: 40px;
    border: none;
    cursor: pointer;
    box-shadow: 0px 0px 4px 2px #d4d4d4;
    border-radius: 5px;
    background: #03A9F4;
    color: #fff;
    outline: none;
    font-size: 14px;
}

.btn:active {
    margin-top: 1px;
    box-shadow: none;
}

.btn:hover {
    background: rgb(2, 153, 223);
}

textarea {
    box-sizing: border-box;
    font-size: 14px;
    resize: none;
    padding: 15px;
    border: none;
    border-radius: 3px;
    background: #f5f5f5;
    outline: none;
    word-wrap: normal;
    white-space: nowrap
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background-color: #f5f5f5;
}

::-webkit-scrollbar-thumb {
    border-radius: 7px;
    background-color: #ccc;
}

